another reorg; add options for full or minimal helix install

configuration/base/fonts.nix

@@ -0,0 +1,26 @@
+{ pkgs, ... }:
+
+{
+  fonts.enableDefaultPackages = true;
+  fonts.packages = with pkgs; [
+    noto-fonts
+    noto-fonts-cjk-sans
+    noto-fonts-cjk-serif
+  ];
+
+  # Select internationalisation properties.
+  i18n = {
+    defaultLocale = "en_GB.UTF-8";
+    supportedLocales = [
+      "en_GB.UTF-8/UTF-8"
+      "en_US.UTF-8/UTF-8"
+      "ja_JP.UTF-8/UTF-8"
+    ];
+  };
+
+  console = {
+    #   font = "Lat2-Terminus16";
+    keyMap = "uk";
+    #   useXkbConfig = true; # use xkb.options in tty.
+  };
+}